Melissa finally tells Spencer what she knows regarding the night Ali disappeared. But what is Spencer supposed to do with the knowledge? Knowing something is off about Alison’s story, Emily is on the hunt for answers on her own. She enlists Ezra’s help in finding out more about Cyrus and his past connection to Alison. Meanwhile, Hanna asks Spencer and Toby for help with Caleb’s drinking problem, airing Tuesday, Aug. 19, 2014 at 8 p.m. ET/PT on ABC Family.